Undefeated former lightweight champion BRANDON “Bam Bam” RIOS and World Boxing Association (WBA) interim lightweight title holder RICHARD ABRIL will be fighting for more than the vacant WBA lightweight title and guaranteed purses Saturday night at Mandalay Bay, they will be fighting for a $50,000 bonus that will be awarded to the winner.

The Rios vs. Abril rumble is the co-main event to three-division world champion and Méxican icon JUAN MANUEL MÁRQUEZ(53-6-1, 39 KOs), of México City, going for his fourth world title in as many different weight divisions when he rumbles with World Boxing Organization (WBO) European junior welterweight champion SERGEY FEDCHENKO (30-1, 13 KOs), of Kharkov, Ukraine, for the vacant WBO interim 140-pound world title. Márquez vs. Fedchenko and Rios vs. Abril headline a world championship pay-per-view event that’s so big its main events are originating from two different countries!

Márquez vs. Fedchenko will take place in México City’s brand new Arena México, while Rios vs. Abril and two other exciting fights will take place at Mandalay Bay in Las Vegas, Tomorrow!Saturday, April 14. Boxing fans at Mandalay Bay will also see the Márquez vs. Fedchenko world title fight live, via closed-circuit, on a jumbo screen. The Márquez/Rios world championship event will be produced by Top Rank and distributed Live by HBO Pay-Per-View®, beginning at 9 p.m. ET / 6 p.m. PT.